Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2021   06:43:23   (  -0.06,-127.71) (   0.72,-124.11)  408.89                80
 04/23/2021   19:04:37   (   0.05,-127.76) (   0.38,-129.27)  172.17                80
 04/25/2021   18:55:04   (   0.05,-127.68) (  -0.23,-126.31)  155.73                80
 04/26/2021   07:16:28   (  -0.04,-127.60) (  -0.86,-131.50)  443.95                80
 04/27/2021   18:42:51   (   0.05,-127.60) (  -0.86,-123.35)  483.04                80
 04/28/2021   07:04:15   (  -0.05,-127.51) (  -0.24,-128.55)  117.05                80
 04/30/2021   06:49:21   (  -0.05,-127.42) (   0.33,-125.58)  209.10                80
 04/30/2021   19:10:37   (   0.04,-127.45) (   0.71,-130.75)  373.91                80
 05/02/2021   18:58:23   (   0.04,-127.36) (   0.15,-127.78)   48.25                80
 05/04/2021   18:48:50   (   0.04,-127.26) (  -0.49,-124.82)  277.39                80
 05/05/2021   07:10:14   (  -0.03,-127.19) (  -0.60,-130.02)  321.43                80